WO2019019123A1 - Procédé de reconfiguration, et produit associé - Google Patents

Procédé de reconfiguration, et produit associé Download PDF

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Publication number
WO2019019123A1
WO2019019123A1 PCT/CN2017/094775 CN2017094775W WO2019019123A1 WO 2019019123 A1 WO2019019123 A1 WO 2019019123A1 CN 2017094775 W CN2017094775 W CN 2017094775W WO 2019019123 A1 WO2019019123 A1 WO 2019019123A1
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WO
WIPO (PCT)
Prior art keywords
pdcp
user equipment
lte
reconfiguration
pdu
Prior art date
Application number
PCT/CN2017/094775
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English (en)
Chinese (zh)
Inventor
唐海
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2017/094775 priority Critical patent/WO2019019123A1/fr
Priority to EP17919467.5A priority patent/EP3493594B1/fr
Priority to CN201780053572.8A priority patent/CN109661834B/zh
Publication of WO2019019123A1 publication Critical patent/WO2019019123A1/fr
Priority to US16/353,567 priority patent/US10856180B2/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/22—Manipulation of transport tunnels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/04—Arrangements for maintaining operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0069—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink
    • H04W36/00698—Transmission or use of information for re-establishing the radio link in case of dual connectivity, e.g. decoupled uplink/downlink using different RATs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0027—Control or signalling for completing the hand-off for data sessions of end-to-end connection for a plurality of data sessions of end-to-end connections, e.g. multi-call or multi-bearer end-to-end data connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a reconfiguration method and related products.
  • LTE Long Term Evolution
  • DC Dual Connectivity
  • UE User Equipment
  • the LTE PDCP and the NR PDCP may be used for the Packet Data Convergence Protocol (PDCP) layer on the LTE side.
  • PDCP Packet Data Convergence Protocol
  • the currently available solution is to reset all bearers based on the handover procedure.
  • the embodiment of the present invention provides a reconfiguration method and related products, which can prevent other bearers from being affected by changes in the PDCP layer, thereby ensuring data continuity of other services.
  • an embodiment of the present invention provides a reconfiguration method, including:
  • the user equipment receives a reconfiguration instruction from the network device, the reconfiguration instruction being used to indicate reconfiguration of the PDCP layer;
  • the user equipment reconfigures the PDCP layer and sends an end flag (EM).
  • an embodiment of the present invention provides a reconfiguration method, including:
  • the network device sends a reconfiguration command, where the reconfiguration command is used to instruct the user equipment to reconfigure the PDCP layer;
  • the network device receives an EM from the user equipment.
  • an embodiment of the present invention provides a reconfiguration method, including:
  • the user equipment receives a reconfiguration instruction from the network device, the reconfiguration instruction being used to indicate reconfiguration of the PDCP layer;
  • the user equipment reconfigures the PDCP layer and receives EMs from the network device.
  • an embodiment of the present invention provides a reconfiguration method, including:
  • the network device sends a reconfiguration command, where the reconfiguration command is used to instruct the user equipment to reconfigure the PDCP layer;
  • the network device sends the EM.
  • an embodiment of the present invention provides a user equipment, including a processing unit and a communication unit, where:
  • the processing unit is configured to receive, by the communication unit, a reconfiguration instruction from a network device, where the reconfiguration instruction is used to indicate reconfiguration of a PDCP layer; reconfigure a PDCP layer, and send by using the communication unit EM.
  • an embodiment of the present invention provides a network device, including a processing unit and a communication unit, where:
  • the processing unit is configured to send, by using the communications unit, a reconfiguration command, the reconfiguration command is used to instruct the user equipment to reconfigure the PDCP layer, and the EM from the user equipment is received by the communications unit.
  • a seventh aspect of the present invention provides a user equipment, including a processing unit and a communication unit, where:
  • the processing unit is configured to receive, by the communication unit, a reconfiguration instruction from a network device, where the reconfiguration instruction is used to indicate reconfiguration of a PDCP layer; reconfigure a PDCP layer, and receive by the communication unit EM from the network device.
  • an embodiment of the present invention provides a network device, including a processing unit and a communication unit, where:
  • the processing unit is configured to send, by using the processing unit, a reconfiguration instruction, where the reconfiguration command is used to instruct the user equipment to reconfigure the PDCP layer; and send the EM through the communication unit.
  • an embodiment of the present invention provides a user equipment, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory, and are configured by The processor executes, the program comprising instructions for performing the steps in the method as described in the first aspect of the embodiments of the invention.
  • an embodiment of the present invention provides a network device, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured by Executed by the processor, the program includes a second party for performing an embodiment of the present invention The instructions of the steps in the method described.
  • an embodiment of the present invention provides a user equipment, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured Executed by the processor, the program includes instructions for performing the steps in the method as described in the third aspect of the embodiments of the present invention.
  • an embodiment of the present invention provides a network device, including a processor, a memory, a communication interface, and one or more programs, where the one or more programs are stored in the memory and configured Executed by the processor, the program includes instructions for performing the steps in the method as described in the fourth aspect of the embodiments of the present invention.
  • the embodiment of the present invention provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute an embodiment of the present invention
  • the computer includes a user equipment.
  • embodiments of the present invention provide a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute an embodiment of the present invention
  • the computer includes a network device.
  • an embodiment of the present invention provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute an embodiment of the present invention.
  • the computer includes a user equipment.
  • an embodiment of the present invention provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute an embodiment of the present invention.
  • the computer includes a network device.
  • an embodiment of the present invention provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the present invention Some or all of the steps described in the first aspect of the embodiment.
  • the computer program product can be a software installation package, and the computer includes the user equipment.
  • an embodiment of the present invention provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the present invention Some or all of the steps described in the second aspect of the embodiment.
  • the computer program product can be a software installation package, and the computer includes a network device.
  • the embodiment of the present invention provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the present invention Some or all of the steps described in the third aspect of the embodiment.
  • the computer program product can be a software installation package, and the computer includes the user equipment.
  • an embodiment of the present invention provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the present invention Some or all of the steps described in the fourth aspect of the embodiment.
  • the computer program product can be a software installation package, and the computer includes a network device.
  • FIG. 1 is a schematic diagram of a protocol stack structure according to an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a network architecture according to an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart of a reconfiguration method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of an EM format defined by an existing LTE according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a status report format of an LTE according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of a format of a NR status report according to an embodiment of the present invention.
  • FIG. 7 is a schematic flowchart diagram of another reconfiguration method according to an embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a network device according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of another user equipment according to an embodiment of the present disclosure.
  • FIG. 15 is a schematic structural diagram of another network device according to an embodiment of the present disclosure.
  • FIG. 16 is a schematic structural diagram of another user equipment according to an embodiment of the present invention.
  • references to "an embodiment” herein mean that a particular feature, structure, or characteristic described in connection with the embodiments can be included in at least one embodiment of the present application.
  • the appearances of the phrases in various places in the specification are not necessarily referring to the same embodiments, and are not exclusive or alternative embodiments that are mutually exclusive. Those skilled in the art will understand and implicitly understand that the embodiments described herein can be combined with other embodiments.
  • the user equipment can maintain the connection with LTE and the NR system at the same time.
  • the protocol stack structure is shown in Figure 1, where the master node (MN) and the secondary node
  • the slave nodes (SN) are LTE and NR, respectively.
  • the physical layer (PHY) layer, the media access control layer (MAC), and the radio link layer control protocol (RLC) layer are all LTE versions.
  • PHY physical layer
  • MAC media access control layer
  • RLC radio link layer control protocol
  • LTE PDCP cannot be carried on the NR RLC, so there is a need to use NR PDCP, but considering the adaptability of LTE PDCP to voice services and the reason that LTE PDCP is suitable as the initial configuration during initial access, LTE PDCP also has its necessity. Sex. In order to achieve configurability of LTE PDCP and NR PDCP, the currently available solution is to reset all bearers based on the handover procedure. However, considering that the reconfiguration of PDCP may only involve individual bearers, if all bearers are interrupted due to resetting the PDCP layer, the data continuity of all services will be affected.
  • the (Master Cell Group, MCG) Bearer is the primary cell group bearer
  • the MCG Split Bearer is the primary cell component fork bearer
  • the (Secondary Cell Group, SCG) Bearer is the secondary cell group bearer, supplemented by SCG Split Bearer.
  • the cell component is carried by the fork.
  • FIG. 2 is a schematic diagram of a network architecture disclosed in an embodiment of the present application.
  • the network architecture shown in FIG. 2 includes user equipment 110 and network equipment 120.
  • the network device 120 sends a reconfiguration instruction for indicating reconfiguration of the PDCP layer;
  • the user equipment 110 receives a reconfiguration instruction from the network device 120, and then the user equipment 110 The PDCP layer is reconfigured, and finally the user equipment 110 sends an End-marker (EM).
  • EM End-marker
  • the network device 120 transmits a reconfiguration instruction for indicating reconfiguration of the PDCP layer; the user equipment 110 receives a reconfiguration instruction from the network device 120, and then The user equipment 110 reconfigures the PDCP layer, and finally the user equipment 110 receives the EM from the network device 120.
  • the network device 120 transmits a reconfiguration instruction for indicating reconfiguration of the PDCP layer; the user equipment 110 receives a reconfiguration instruction from the network device 120, and then The user equipment 110 reconfigures the PDCP layer, and finally the user equipment 110 receives the EM from the network device 120.
  • the user equipment is a device that provides voice and/or data connectivity to the user, for example, Handheld devices, in-vehicle devices, etc. with wireless connectivity.
  • Common user devices include, for example, mobile phones, tablets, notebook computers, PDAs, mobile internet devices (MIDs), wearable devices such as smart watches, smart bracelets, pedometers, and the like.
  • the network device refers to a node device on the network side.
  • the network device may be a radio access network (RAN) device on the access network side of the cellular network, and the so-called RAN device is a device device.
  • the device that enters the wireless network including but not limited to: an evolved Node B (eNB), a radio network controller (RNC), a Node B (NB), and a base station controller (Base) Station Controller (BSC), Base Transceiver Station (BTS), Home Base Station (for example, Home evolved NodeB, or Home Node B, HNB), Baseband Unit (BBU), and Management Entity (Mobility Management Entity, MME);
  • the network device may also be a node device in a Wireless Local Area Network (WLAN), such as an access controller (AC), a gateway, or a WIFI access point (Access Point, AP). )Wait.
  • WLAN Wireless Local Area Network
  • AC access controller
  • AP WIFI access point
  • FIG. 3 is a schematic flowchart of a reconfiguration method according to an embodiment of the present application, including the following steps:
  • Step S301 The network device sends a reconfiguration command, where the reconfiguration command is used to instruct the user equipment to reconfigure the PDCP layer.
  • the re-configuration command may be sent by the network device to the user equipment, or the network device may send the reconfiguration command to the user equipment by using the other device, which is not limited herein.
  • the reconfiguration command may include at least one of the following: a key, an integrity check information parameter, a related parameter of the transition between the LTE PDCP and the NR PDCP, and the like.
  • Integrity check refers to the method of verifying data integrity with a specified algorithm to ensure data integrity.
  • the integrity check information parameter refers to the variables and set values in the check algorithm.
  • Step S302 The user equipment receives a reconfiguration instruction from the network device; the user equipment reconfigures the PDCP layer.
  • the user equipment reconfigures the PDCP layer, specifically: when the current PDCP layer of the user equipment is the LTE PDCP, the user equipment uses the relevant parameters of the NR PDCP to the PDCP. The layer switches from LTE PDCP to NR PDCP. Or, when the reconfiguration command includes the LTE PDCP related parameter, the user equipment reconfigures the PDCP layer, where the user equipment performs the PDCP layer according to the relevant parameters of the LTE PDCP when the current PDCP layer of the user equipment is the NR PDCP. Switch from NR PDCP to LTE PDCP.
  • Step S303 The user equipment sends the EM; the network equipment receives the EM from the user equipment.
  • the EM is a special data packet, and the EM is used to indicate that the data on the source side (in this case, the user equipment side) ends. If the user equipment switches the PDCP layer from the LTE PDCP to the NR PDCP, the user equipment sends an EM indicating that the LTE PDCP PDU of the user equipment ends. If the user equipment switches the PDCP layer from NR PDCP to LTE PDCP, the user equipment sends EM to indicate that the NR PDCP PDU of the user equipment ends.
  • the method further includes:
  • the user equipment performs a reset process, including a reset compression algorithm (ROHC), a reset protocol data unit (PDU) sequence number (SN), and a reset super frame number (Hyper Frame Number). At least one of HFN).
  • ROHC reset compression algorithm
  • PDU reset protocol data unit
  • SN reset protocol data unit
  • Hyper Frame Number At least one of HFN).
  • the method further includes: after the user equipment sends the EM, the method further includes:
  • the user equipment performs a reset process, where the reset process includes a reset compression algorithm (ROHC), At least one of a PDU sequence number (SN) and a reset superframe number (HFN) is reset.
  • ROHC reset compression algorithm
  • SN PDU sequence number
  • HFN reset superframe number
  • the reset compression algorithm refers to restoring the compression algorithm to the initial state.
  • the specific implementation manner in which the user equipment restores the compression algorithm to the initial state can refer to the existing practice, and will not be described here.
  • resetting the PDU sequence number refers to restoring the PDU sequence number to the initial state. For example, if the current user equipment is sent from the PDU sequence number 0 to the PDU sequence number 10, the PDU sequence number is restored to the initial state, that is, the PDU sequence number of the user equipment is restored to the PDU sequence number 0.
  • resetting the superframe number refers to restoring the superframe number to the initial state.
  • the superframe number refers to a counter overflow mechanism for limiting the number of sequence number bits transmitted through the wireless interface.
  • the superframe number is a counter that is large enough to limit the number of bits of the serial number sent by the wireless interface by the superframe number when transmitting the serial number sent by the user interface and the network device, and restore the superframe number to The initial state refers to clearing the counter.
  • the method further includes:
  • the network device sends a status report; the user equipment receives a status report from the network device; the user equipment sends a PDU according to the status report.
  • the status report is used to indicate that the receiving end side (in the present embodiment, the network device side) has received the EM sent by the sending end side (in the present embodiment, the user equipment side).
  • the user equipment After the user equipment receives the status report from the network device, after the user equipment knows that the network device has received the EM, the user equipment sends a PDU to the network device, so that the PDU sent by the user equipment is synchronized with the mode of the user equipment. For example, after the user equipment switches from LTE PDCP to NR PDCP, after the user equipment receives the status report, the user equipment sends an NR PDCP PDU to the network device.
  • the reconfiguration instructions include a key and/or an integrity check information parameter, the method further comprising:
  • the user equipment performs encryption processing on the PDU to be sent according to the key; and/or the user equipment performs integrity verification processing on the PDU to be sent according to the integrity check information parameter; the user The device sends the processed PDU; the network device receives the PDU sent by the user equipment; the network device encrypts the received PDU according to the key; and/or the network device receives the integrity check information parameter according to the The received PDU is subjected to integrity check processing.
  • the user equipment needs to send the PDU according to the integrity check information parameter.
  • the integrity check processing is performed. Specifically, the user equipment calculates the integrity check code by using the key provided by the upper layer, and then attaches the integrity check code to the PDCP PDU and sends the integrity check code together.
  • the method further includes:
  • the user equipment sends an LTE PDCP PDU from a PDCP layer of the user equipment to an LTE side RLC layer of the user equipment.
  • the user equipment sends a PDU before step S301 or after step S303.
  • the LTE PDCP PDU is sent from the PDCP layer of the user equipment to the LTE side RLC layer of the user equipment, and the LTE side RLC layer of the user equipment sends the LTE PDCP PDU to enable the LTE PDCP PDU to be sent.
  • the user equipment may be sent from the PDCP layer of the user equipment to the LTE side RLC layer of the user equipment, or may be sent from the PDCP layer of the user equipment to the NR side RLC layer of the user equipment, which is not limited herein.
  • Error 1 The PDCP PDU of 5G/NR arrives at the receiving PDCP entity before the EM; Error 2: The PDCP PDU of LTE arrives at the receiving PDCP entity after the EM.
  • the RLC layer on the LTE side can implement in-order delivery, only the PDCP PDUs of EM and LTE are submitted to the LTE RLC layer, and this operation can solve the problem of error 2.
  • error 1 it is considered that the RLC layer on the NR side cannot implement the in-order delivery.
  • the transmitted PDCP entity only needs to ensure that the LTE PDCP PDU is not transmitted to the NR side RLC.
  • the received PDCP entity will only process the PDCP PDU from the RL side RLC layer as an NR PDCP PDU.
  • the version of the PDCP is changed from LTE to NR, even if any NR PDCP PDU arrives at the PDCP entity before the EM, the NR PDCP PDU is not treated as an LTE PDCP PDU and then erroneously processed.
  • the user equipment sends the EM specifically:
  • the user equipment sends the EM from the PDCP layer of the user equipment to the LTE side RLC layer of the user equipment.
  • the user equipment sends the EM and the user equipment sends the LTE PDCP PDU, and the user equipment is only sent from the PDCP layer of the user equipment to the LTE side RLC layer of the user equipment, and the LTE side RLC layer of the user equipment sends the EM downward, so that Send the EM to the network device side.
  • the EM does not include an LSN domain, and the EM includes a PDU type (type) Different from the PDU type included in the EM defined in the LTE protocol; or the EM includes an LSN domain, and the LSN domain included in the EM is set to a set value.
  • PDU type type
  • the LSN domain included in the EM is set to a set value.
  • the EM format defined by the existing LTE is as shown in FIG. 4.
  • the LSN is the sequence number of the last PDU before the EM is sent.
  • the EM in this solution may not include the LSN domain to save data overhead.
  • the EM in this solution needs to redefine a PDU type to distinguish the existing LTE protocol.
  • the PDU type included in the EM is defined as PDU type1.
  • the PDU type included in the EM in this solution is PDU type2, and PDU type1 is different from PDU type2.
  • the EM in this scheme can continue to use the LSN domain, and the LSN domain is all set to the set value. For example, if both are set to 0 or both are set to 1, in this mode, since the LSN fields are all set to the set value, they are already distinguished from the EM defined in the existing LTE protocol, so there is no need to re-assign a PDU type to distinguish the present There are EMs defined in the LTE protocol.
  • the format used by the status report is the format of the NR PDCP status report; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP
  • the format used by the status report is the format of the LTE PDCP status report.
  • the format of LTE is as shown in FIG. 5.
  • the format of the NR is shown in Figure 6.
  • the format of NR PDCP status report is used, where NR PDCP status report contains the count value (COUNT).
  • the COUNT can be obtained from the COUNT value of the packet transmitted by the LTE PDCP, or it can be zeroed or not including COUNT (this requires an additional definition of the PDU type).
  • the format of LTE PDCP status report is used; wherein LTE PDCP status report contains SN value, where SN value is obtained by SN PDCP transmitted packet SN value, or is set to zero, or does not include SN value (this requires an additional definition of the PDU type).
  • COUNT is by HFN and PDCP SN composition.
  • the format used by the EM is the format of the LTE PDCP EM; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP, the format used by the EM is the format of NR PDCP EM.
  • the LTE PDCP EM includes an LSN domain, the NR PDCP EM does not include an LSN domain, or the NR PDCP EM includes a COUNT value.
  • FIG. 7 is a schematic flowchart of a reconfiguration method according to an embodiment of the present application, including the following steps:
  • Step S701 The network device sends a reconfiguration command, where the reconfiguration command is used to instruct the user equipment to reconfigure the PDCP layer.
  • the re-configuration command may be sent by the network device to the user equipment, or the network device may send the reconfiguration command to the user equipment by using the other device, which is not limited herein.
  • the reconfiguration command may include at least one of the following: a key, an integrity check information parameter, a related parameter of the transition between the LTE PDCP and the NR PDCP, and the like.
  • Integrity check refers to the method of verifying data integrity with a specified algorithm to ensure data integrity.
  • the integrity check information parameter refers to the variables and set values in the check algorithm.
  • Step S702 The user equipment receives a reconfiguration instruction from the network device; the user equipment reconfigures the PDCP layer.
  • the user equipment reconfigures the PDCP layer, specifically: when the current PDCP layer of the user equipment is the LTE PDCP, the user equipment uses the relevant parameters of the NR PDCP to the PDCP. The layer switches from LTE PDCP to NR PDCP. Or, when the reconfiguration command includes the LTE PDCP related parameter, the user equipment reconfigures the PDCP layer, where the user equipment performs the PDCP layer according to the relevant parameters of the LTE PDCP when the current PDCP layer of the user equipment is the NR PDCP. Switch from NR PDCP to LTE PDCP.
  • Step S703 The network device sends an EM; the user equipment receives an EM from the network device.
  • the EM is a special data packet, and the EM is used to indicate that the data on the source side (in this case, the network device side) ends.
  • the user equipment receives from the network device before the EM, the method further includes:
  • the user equipment performs a reset process, where the reset process includes a reset compression algorithm (ROHC), at least one of a reset protocol data unit (PDU) sequence number (SN) and a reset superframe number (HFN) .
  • ROHC reset compression algorithm
  • PDU reset protocol data unit
  • SN reset protocol data unit
  • HFN reset superframe number
  • the method further includes:
  • the user equipment performs a reset process including a reset compression algorithm (ROHC), resetting at least one of a PDU sequence number (SN) and a reset superframe number (HFN).
  • ROHC reset compression algorithm
  • SN PDU sequence number
  • HFN reset superframe number
  • the reset compression algorithm refers to restoring the compression algorithm to the initial state.
  • the specific implementation manner in which the user equipment restores the compression algorithm to the initial state can refer to the existing practice, and will not be described here.
  • resetting the PDU sequence number refers to restoring the PDU sequence number to the initial state. For example, if the current user equipment is sent from the PDU sequence number 0 to the PDU sequence number 10, the PDU sequence number is restored to the initial state, that is, the PDU sequence number of the user equipment is restored to the PDU sequence number 0.
  • resetting the superframe number refers to restoring the superframe number to the initial state.
  • the superframe number refers to a counter overflow mechanism for limiting the number of sequence number bits transmitted through the wireless interface. This superframe number is a sufficiently large counter, the serial number sent between the user equipment and the network device on the sending and wireless interfaces. When the number of bits of the serial number transmitted by the wireless interface is limited by the super frame number, restoring the super frame number to the initial state means that the counter is cleared.
  • the method further includes:
  • the user equipment sends a status report to the network device, where the status report is used by the network device to determine a PDU sent to the user equipment; the network device receives a status report from the user equipment; the network device is configured according to The status report sends a PDU.
  • the status report is used to indicate that the receiving end side (in the present embodiment, the user equipment side) has received the EM sent by the sending end side (in this case, the network equipment side).
  • the network device After the network device receives the status report from the user equipment, after the network device knows that the network device has received the EM, the network device sends the PDU to the user equipment, so that the PDU sent by the network device is synchronized with the mode of the network device.
  • the reconfiguration instructions include a key and/or an integrity check parameter, the method further comprising:
  • the network device performs encryption processing on the PDU to be sent according to the key; and/or, the network device performs integrity verification processing on the received PDU according to the integrity check parameter;
  • the network device sends the processed PDU
  • the user equipment receives a PDU from the network device
  • the user equipment performs decryption processing on the received PDU according to the key; and/or, the user equipment performs integrity verification processing on the received PDU according to the integrity check parameter.
  • the user equipment performs integrity check processing on the PDU to be sent according to the integrity check information parameter, where the user equipment calculates the integrity check code by using the key provided by the upper layer, and then completes the integrity check code according to the integrity.
  • the checksum code performs an integrity check code comparison on the received PDCP PDU. If the integrity check code corresponds, the integrity check is completed successfully.
  • the EM does not include an LSN domain, and the EM includes a PDU type different from a PDU type included in an EM defined in an LTE protocol; or the EM includes an LSN domain, and the EM includes an LSN domain.
  • Set the set value the set value.
  • the EM format defined by the existing LTE is as shown in FIG. 4.
  • the LSN is the sequence number of the last PDU before the EM is sent.
  • the EM in this solution may not include the LSN domain to save data overhead.
  • the EM in this solution needs to redefine a PDU type to distinguish the existing LTE protocol.
  • the PDU type included in the EM is defined as PDU type1.
  • the PDU type included in the EM in this solution is PDU type2, and PDU type1 is different from PDU type2.
  • the EM in this scheme can continue to use the LSN domain, and the LSN domain is all set to the set value. For example, if both are set to 0 or both are set to 1, in this mode, since the LSN fields are all set to the set value, they are already distinguished from the EM defined in the existing LTE protocol, so there is no need to re-assign a PDU type to distinguish the present There are EMs defined in the LTE protocol.
  • the format used by the status report is the format of the NR PDCP status report; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP
  • the format used by the status report is the format of the LTE PDCP status report.
  • the format of LTE is as shown in FIG. 5.
  • the format of the NR is shown in Figure 6.
  • the format of NR PDCP status report is used, where NR PDCP status report contains the count value (COUNT).
  • the COUNT can be obtained from the COUNT value of the packet transmitted by the LTE PDCP, or it can be zeroed or not including COUNT (this requires an additional definition of the PDU type).
  • the format of LTE PDCP status report is used; wherein LTE PDCP status report contains SN value, where SN value is obtained by SN PDCP transmitted packet SN value, or is set to zero, or does not include SN value (this requires an additional definition of the PDU type).
  • COUNT is composed of HFN and PDCP SN.
  • the format used by the EM is the format of the LTE PDCP EM; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP, the format used by the EM is the format of NR PDCP EM.
  • the LTE PDCP EM includes an LSN domain, and the NR PDCP EM does not include an LSN domain, or The NR PDCP EM includes a COUNT value.
  • FIG. 8 is a user equipment 800 according to an embodiment of the present invention, including: one or more processors, one or more memories, one or more transceivers, and one or more programs;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • PDCP Packet Data Convergence Protocol
  • the program includes also for performing the following before transmitting the EM Instructions for the steps:
  • a reset process is performed, the reset process including a reset compression algorithm (ROHC), resetting at least one of a protocol data unit (PDU) sequence number (SN) and a reset superframe number (HFN).
  • ROHC reset compression algorithm
  • PDU protocol data unit
  • SN protocol data unit sequence number
  • HFN reset superframe number
  • the program includes instructions that are also used to perform the following steps:
  • a reset process is performed, the reset process including a reset compression algorithm (ROHC), resetting at least one of a PDU sequence number (SN) and a reset superframe number (HFN).
  • ROHC reset compression algorithm
  • SN PDU sequence number
  • HFN reset superframe number
  • the program after performing the reset process, includes instructions that are also used to perform the following steps:
  • the reconfiguration instructions include a key and/or integrity check information parameters, the program including instructions that are also used to perform the following steps:
  • the program includes instructions that are also used to perform the following steps:
  • the LTE PDCP PDU is transmitted from the PDCP layer of the user equipment to the LTE side RLC layer of the user equipment.
  • the program includes instructions specifically for performing the step of transmitting an EM from a PDCP layer of the user equipment to an LTE side RLC layer of the user equipment.
  • the EM does not include an LSN domain, the EM includes a PDU type different from a PDU type included in an EM defined in an LTE protocol; or the EM includes an LSN domain, and the EM includes The LSN fields are set to the set value.
  • the format used by the status report is the format of the NR PDCP status report; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP
  • the format used by the status report is the format of the LTE PDCP status report.
  • the format used by the EM is the format of the LTE PDCP EM; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP, the format used by the EM is the format of NR PDCP EM.
  • FIG. 9 is a network device 900 according to an embodiment of the present invention, including: one or more processors, one or more memories, one or more transceivers, and one or more programs;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • the program includes instructions that are also used to perform the following steps:
  • the status report is used by the user equipment to determine a PDU sent to the network device.
  • the reconfiguration instructions include a key and/or integrity check information parameters, the program including instructions that are also used to perform the following steps:
  • the EM does not include an LSN domain, the EM includes a PDU type different from a PDU type included in an EM defined in an LTE protocol; or the EM includes an LSN domain, and the EM includes The LSN fields are set to the set value.
  • the format used by the status report is the format of the NR PDCP status report; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP
  • the format used by the status report is the format of the LTE PDCP status report.
  • the format used by the EM is the format of the LTE PDCP EM; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP, the format used by the EM is the format of NR PDCP EM.
  • FIG. 10 is a user equipment 1000 according to an embodiment of the present invention, including: one or more processors, one or more memories, one or more transceivers, and one or more programs;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • the procedure is before receiving the EM from the network device.
  • a reset process is performed, the reset process including a reset compression algorithm (ROHC), resetting at least one of a protocol data unit (PDU) sequence number (SN) and a reset superframe number (HFN).
  • ROHC reset compression algorithm
  • PDU protocol data unit
  • SN protocol data unit sequence number
  • HFN reset superframe number
  • the program when the EM is only defined in the NR PDCP protocol, and the user equipment PDCP layer reconfiguration is NR PDCP change to LTE PDCP, or when the EM is in both the NR PDCP protocol and the LTE PDCP protocol, the program includes instructions that are also used to perform the following steps:
  • a reset process is performed, the reset process including a reset compression algorithm (ROHC), resetting at least one of a PDU sequence number (SN) and a reset superframe number (HFN).
  • ROHC reset compression algorithm
  • SN PDU sequence number
  • HFN reset superframe number
  • the program after performing the reset process, includes instructions that are also used to perform the following steps:
  • the status report is used by the network device to determine a PDU sent to the user equipment.
  • the reconfiguration instructions include a key and/or integrity check parameter
  • the program including instructions that are also used to perform the following steps:
  • the EM does not include an LSN domain, and the EM includes a PDU type different from a PDU type included in an EM defined in an LTE protocol; or the EM includes an LSN domain, and the EM includes an LSN domain.
  • Set the set value the set value.
  • the format used by the status report is the format of the NR PDCP status report; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP
  • the format used by the status report is The format of the LTE PDCP status report.
  • the format used by the EM is the format of the LTE PDCP EM; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP, the format used by the EM is the format of NR PDCP EM.
  • FIG. 11 is a network device 1100 according to an embodiment of the present invention, including: one or more processors, one or more memories, one or more transceivers, and one or more programs;
  • the one or more programs are stored in the memory and configured to be executed by the one or more processors;
  • the program includes instructions for performing the following steps:
  • the program includes instructions that are also used to perform the following steps:
  • the reconfiguration instructions include a key and/or integrity check parameter
  • the program including instructions that are also used to perform the following steps:
  • the EM does not include an LSN domain, and the EM includes a PDU type different from a PDU type included in an EM defined in an LTE protocol; or the EM includes an LSN domain, and the EM includes an LSN domain.
  • Set the set value the set value.
  • the format used by the status report is the format of the NR PDCP status report; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP
  • the format used by the status report is the format of the LTE PDCP status report.
  • the format used by the EM is the format of the LTE PDCP EM; or, when the PDCP layer reconfiguration is changed from the NR PDCP to the LTE PDCP, the format used by the EM is the format of NR PDCP EM.
  • FIG. 12 is a schematic structural diagram of a user equipment 1200 according to this embodiment.
  • the user equipment 1200 includes a processing unit 1201, a communication unit 1202, and a storage unit 1203, where:
  • the processing unit 1201 is configured to receive, by the communication unit 1202, a reconfiguration instruction from a network device, where the reconfiguration instruction is used to indicate reconfiguration of a PDCP layer; reconfigure a PDCP layer, and pass the communication Unit 1202 sends the EM.
  • the processing unit 1201 may be a processor or a controller, and may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application- Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may be implemented or executed in conjunction with the present disclosure.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC Application- Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1202 may be a transceiver, a transceiver circuit, a radio frequency chip, a communication interface, etc.
  • the storage unit 1203 may be a memory.
  • the processing unit 1201 is a processor
  • the communication unit 1202 is a communication interface
  • the storage unit 1203 is a memory
  • the user equipment involved in the embodiment of the present invention may be the user equipment shown in FIG. 8.
  • FIG. 13 is a schematic structural diagram of a network device 1300 according to this embodiment.
  • the network device 1300 includes a processing unit 1301, a communication unit 1302, and a storage unit 1303, where:
  • the processing unit 1301 is configured to send, by using the communication unit 1302, a reconfiguration instruction, where the reconfiguration command is used to indicate that the user equipment reconfigures the PDCP layer, and the EM from the user equipment is received by the communication unit 1302. .
  • the processing unit 1301 may be a processor or a controller, and may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application- Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may be implemented or executed in conjunction with the present disclosure.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC Application- Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1302 may be a transceiver, a transceiver circuit, a radio frequency chip, a communication interface, etc.
  • the storage unit 1303 may be a memory.
  • the processing unit 1301 is a processor
  • the communication unit 1302 is a communication interface
  • the storage unit 1303 is a memory
  • the user equipment involved in the embodiment of the present invention may be the network device shown in FIG.
  • FIG. 14 is a schematic structural diagram of a user equipment 1400 according to this embodiment.
  • the user equipment 1400 includes a processing unit 1401, a communication unit 1402, and a storage unit 1403, where:
  • the processing unit 1401 is configured to receive, by the communication unit 1402, a reconfiguration instruction from a network device, where the reconfiguration instruction is used to indicate reconfiguration of the PDCP layer; reconfigure the PDCP layer, and pass the communication Unit 1402 receives the EM from the network device.
  • the processing unit 1401 may be a processor or a controller, and may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application- Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may be implemented or executed in conjunction with the present disclosure.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC Application- Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may also be a combination of computing functions, for example comprising one or more microprocessor combinations, DSP and micro Combination of processors, etc.).
  • the communication unit 1402 may be a transceiver, a transceiver circuit, a radio frequency chip, a communication interface, etc.
  • the storage unit 1403 may be a memory.
  • the processing unit 1401 is a processor
  • the communication unit 1402 is a communication interface
  • the storage unit 1403 is a memory
  • the user equipment involved in the embodiment of the present invention may be the user equipment shown in FIG.
  • FIG. 15 is a schematic structural diagram of a network device 1500 according to this embodiment.
  • the network device 1500 includes a processing unit 1501, a communication unit 1502, and a storage unit 1503, where:
  • the processing unit 1501 is configured to send, by using the processing unit 1502, a reconfiguration instruction, where the reconfiguration command is used to instruct the user equipment to reconfigure the PDCP layer; and the EM is sent by the communication unit 1502.
  • the processing unit 1501 may be a processor or a controller, and may be, for example, a central processing unit (CPU), a general-purpose processor, a digital signal processor (DSP), and an application specific integrated circuit (Application- Specific Integrated Circuit (ASIC), Field Programmable Gate Array (FPGA) or other programmable logic device, transistor logic device, hardware component, or any combination thereof, which may be implemented or executed in conjunction with the present disclosure.
  • CPU central processing unit
  • DSP digital signal processor
  • ASIC Application- Specific Integrated Circuit
  • FPGA Field Programmable Gate Array
  • the processor may also be a combination of computing functions, for example, including one or more microprocessor combinations, a combination of a DSP and a microprocessor, and the like.
  • the communication unit 1502 may be a transceiver, a transceiver circuit, a radio frequency chip, a communication interface, etc.
  • the storage unit 1503 may be a memory.
  • the processing unit 1501 is a processor
  • the communication unit 1502 is a communication interface
  • the storage unit 1503 is a memory
  • the user equipment involved in the embodiment of the present invention may be the network device shown in FIG.
  • the embodiment of the present invention further provides another user equipment.
  • FIG. 16 for the convenience of description, only parts related to the embodiment of the present invention are shown. If the specific technical details are not disclosed, refer to the method of the embodiment of the present invention. section.
  • the user equipment can be any user equipment including a mobile phone, a tablet computer, a PDA (Personal Digital Assistant), a POS (Point of Sales), a car computer, and the like:
  • FIG. 16 is a block diagram showing a partial structure of a mobile phone related to a user equipment provided by an embodiment of the present invention.
  • the mobile phone includes: a radio frequency (RF) circuit 910, and a storage device.
  • RF radio frequency
  • WiFi Wireless Fidelity
  • the RF circuit 910 can be used for receiving and transmitting information.
  • RF circuit 910 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a Low Noise Amplifier (LNA), a duplexer, and the like.
  • LNA Low Noise Amplifier
  • RF circuitry 910 can also communicate with the network and other devices via wireless communication.
  • the above wireless communication may use any communication standard or protocol, including but not limited to Global System of Mobile communication (GSM), General Packet Radio Service (GPRS), Code Division Multiple Access (Code Division). Multiple Access (CDMA), Wideband Code Division Multiple Access (WCDMA), Long Term Evolution (LTE), E-mail, Short Messaging Service (SMS), and the like.
  • GSM Global System of Mobile communication
  • GPRS General Packet Radio Service
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • E-mail Short Messaging Service
  • the memory 920 can be used to store software programs and modules, and the processor 980 executes various functional applications and data processing of the mobile phone by running software programs and modules stored in the memory 920.
  • the memory 920 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application required for at least one function, and the like; the storage data area may store data created according to usage of the mobile phone, and the like.
  • memory 920 can include high speed random access memory, and can also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
  • the input unit 930 can be configured to receive input numeric or character information and to generate key signal inputs related to user settings and function controls of the handset.
  • the input unit 930 can include a fingerprint identification module 931 and other input devices 932.
  • the fingerprint identification module 931 can collect fingerprint data of the user.
  • the input unit 930 may also include other input devices 932.
  • other input devices 932 may include, but are not limited to, one or more of a touch screen, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackballs, mice, joysticks, and the like.
  • the display unit 940 can be used to display information input by the user or information provided to the user as well as various menus of the mobile phone.
  • the display unit 940 can include a display screen 941, optionally, can use a liquid crystal display
  • the display screen 941 is configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
  • LCD Liquid Crystal Display
  • OLED Organic Light-Emitting Diode
  • the fingerprint recognition module 931 and the display screen 941 are used as two separate components to implement the input and input functions of the mobile phone, in some embodiments, the fingerprint recognition module 931 and the display screen 941 may be Integrated to achieve the input and playback functions of the phone.
  • the handset may also include at least one type of sensor 950, such as a light sensor, motion sensor, and other sensors.
  • the light sensor may include an ambient light sensor and a proximity sensor, wherein the ambient light sensor may adjust the brightness of the display screen 941 according to the brightness of the ambient light, and the proximity sensor may turn off the display screen 941 and/or when the mobile phone moves to the ear. Or backlight.
  • the accelerometer sensor can detect the magnitude of acceleration in all directions (usually three axes). When it is stationary, it can detect the magnitude and direction of gravity.
  • the mobile phone can be used to identify the gesture of the mobile phone (such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration), vibration recognition related functions (such as pedometer, tapping), etc.; as for the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • the gesture of the mobile phone such as horizontal and vertical screen switching, related Game, magnetometer attitude calibration
  • vibration recognition related functions such as pedometer, tapping
  • the mobile phone can also be configured with gyroscopes, barometers, hygrometers, thermometers, infrared sensors and other sensors, no longer Narration.
  • An audio circuit 960, a speaker 961, and a microphone 962 can provide an audio interface between the user and the handset.
  • the audio circuit 960 can transmit the converted electrical data of the received audio data to the speaker 961 for conversion to the sound signal by the speaker 961; on the other hand, the microphone 962 converts the collected sound signal into an electrical signal by the audio circuit 960. After receiving, it is converted into audio data, and then processed by the audio data playback processor 980, sent to the other mobile phone via the RF circuit 910, or played back to the memory 920 for further processing.
  • WiFi is a short-range wireless transmission technology
  • the mobile phone can help users to send and receive emails, browse web pages, and access streaming media through the WiFi module 970, which provides users with wireless broadband Internet access.
  • FIG. 16 shows the WiFi module 970, it can be understood that it does not belong to the essential configuration of the mobile phone, and can be omitted as needed within the scope of not changing the essence of the invention.
  • the processor 980 is the control center of the handset, which connects various portions of the entire handset using various interfaces and lines, by executing or executing software programs and/or modules stored in the memory 920, and invoking data stored in the memory 920, executing The phone's various functions and processing data, so that the overall monitoring of the phone.
  • the processor 980 may include one or more processing units; preferably, the processor 980 may integrate an application processor and a modem processor, where the application processor mainly processes operations. As a system, user interface, application, etc., the modem processor primarily handles wireless communications. It will be appreciated that the above described modem processor may also not be integrated into the processor 980.
  • the handset also includes a power source 990 (such as a battery) that supplies power to the various components.
  • a power source 990 such as a battery
  • the power source can be logically coupled to the processor 980 through a power management system to manage functions such as charging, discharging, and power management through the power management system.
  • the mobile phone may further include a camera, a Bluetooth module, and the like, and details are not described herein again.
  • the flow of the user equipment side in each step method may be implemented based on the structure of the mobile phone.
  • each unit function can be implemented based on the structure of the mobile phone.
  • the embodiment of the present invention further provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes the computer to execute a user in the method embodiment as described above Some or all of the steps described by the device.
  • Embodiments of the present invention also provide a computer readable storage medium, wherein the computer readable storage medium stores a computer program for electronic data exchange, wherein the computer program causes a computer to execute a network as in the above method embodiment Some or all of the steps described by the device.
  • Embodiments of the present invention also provide a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform a user as in the above method Some or all of the steps described by the device.
  • the computer program product can be a software installation package.
  • the embodiment of the invention further provides a computer program product, wherein the computer program product comprises a non-transitory computer readable storage medium storing a computer program, the computer program being operative to cause a computer to perform the method embodiment as described above Some or all of the steps described in the network device.
  • the computer program product can be a software installation package.
  • the steps of the method or algorithm described in the embodiments of the present invention may be implemented in a hardware manner, or may be implemented by a processor executing software instructions.
  • the software instructions may be composed of corresponding software modules, which may be stored in a random access memory (RAM), a flash memory, a read only memory (ROM), an erasable programmable read only memory ( Erasable Programmable ROM, EPROM), electrically erasable programmable read-only memory Electrically EPROM (EEPROM), registers, hard disk, removable hard disk, compact disk read only (CD-ROM) or any other form of storage medium known in the art.
  • An exemplary storage medium is coupled to the processor to enable the processor to read information from, and write information to, the storage medium.
  • the storage medium can also be an integral part of the processor.
  • the processor and the storage medium can be located in an ASIC.
  • the ASIC can be located in an access network device, a target network device, or a core network device.
  • the processor and the storage medium may also exist as discrete components in the access network device, the target network device, or the core network device.
  • the functions described in the embodiments of the present invention may be implemented in whole or in part by software, hardware, firmware, or any combination thereof.
  • software it may be implemented in whole or in part in the form of a computer program product.
  • the computer program product includes one or more computer instructions.
  • the processes or functions described in accordance with embodiments of the present invention are generated in whole or in part.
  • the computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable device.
  • the computer instructions can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer instructions can be from a website site, computer, server or data center Transmission to another website site, computer, server, or data center by wire (eg, coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (eg, infrared, wireless, microwave, etc.).
  • the computer readable storage medium can be any available media that can be accessed by a computer or a data storage device such as a server, data center, or the like that includes one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a digital video disc (DVD)), or a semiconductor medium (for example, a solid state disk (SSD)). )Wait.
  • a magnetic medium for example, a floppy disk, a hard disk, a magnetic tape
  • an optical medium for example, a digital video disc (DVD)
  • DVD digital video disc
  • SSD solid state disk

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Abstract

La présente invention concerne un procédé de reconfiguration, et un produit associé. Le procédé comprend les étapes suivantes : un équipement d'utilisateur reçoit une instruction de reconfiguration, d'un dispositif de réseau, l'instruction de reconfiguration étant utilisée pour commander la reconfiguration d'une couche PDCP ; et l'équipement d'utilisateur reconfigure la couche PDCP, et envoie un EM. En empêchant que le changement d'une couche PDCP n'influence d'autres porteuses, les modes de réalisation de la présente invention garantissent la continuité de données d'autres services.
PCT/CN2017/094775 2017-07-27 2017-07-27 Procédé de reconfiguration, et produit associé WO2019019123A1 (fr)

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EP17919467.5A EP3493594B1 (fr) 2017-07-27 2017-07-27 Procédé de reconfiguration, et produit associé
CN201780053572.8A CN109661834B (zh) 2017-07-27 2017-07-27 重配置方法及相关产品
US16/353,567 US10856180B2 (en) 2017-07-27 2019-03-14 Reconfiguration method and related products

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CN109661834B (zh) 2020-05-12
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US20190215721A1 (en) 2019-07-11
EP3493594A1 (fr) 2019-06-05
US10856180B2 (en) 2020-12-01

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